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Disconnect #94954
08/19/05 04:02 PM
08/19/05 04:02 PM
S
Sparks30  Offline OP
Member
Joined: Mar 2002
Posts: 125
Connecticut.usa
I was doing a 3-phase 277/480 ahu unit today, then the hvac guy tells me he needs a 110v outlet for his condensate pump. I tell the boss this he say come off the the 110 panel join the 277 pipe together to the disco then feed threw the disco for the 110.
I know no feed through for panel, how about disco?

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Re: Disconnect #94955
08/19/05 04:10 PM
08/19/05 04:10 PM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,338
Estero,Fl,usa
You end up back at 312.8 and you have to ask yourself IS "adequate space for this purpose is provided.".
I would bet a couple of 12 or 14 guage wires are not going to put this cabinet over 40% of the available wiring space. (or 75% of the cross section where the wires run)


Greg Fretwell
Re: Disconnect #94956
08/19/05 05:57 PM
08/19/05 05:57 PM
I
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
Panel or Disconnect either can be 'run through' as long as there is enough space.

It would be darn near imposable to overfill a panel with branch circuit wiring.


Bob Badger
Construction & Maintenance Electrician
Massachusetts
Re: Disconnect #94957
08/19/05 06:51 PM
08/19/05 06:51 PM
M
macmikeman  Offline
Member
Joined: Jul 2002
Posts: 717
Honolulu, Hawaii
quote"It would be darn near imposable to overfill a panel with branch circuit wiring."

Boy in the 60's they sure knew how to do it. I go to a lot of jobs with old GE load centers so packed up with wire the cover almost springs off when the screws are loosened. Of course the # of wires is still comparable to modern stuff, it's just the boxes were so little, and the long spare length's left on the wires before terminating at the breakers makes for a big crowd.


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